The MSM82C43 is an input/output port expander device based on CMOS technology and designed to operate at low power consumption levels. In systems employing the MSM80C48/49 8–bit single chip microcomputers, 4–bit data can be expanded by dividing between four I/O lines by executing the MOVDA, Pp, A and ORLDPp, A instructions. FEATURES • CMOS technology for lo.
• CMOS technology for low power consumption
• 2.5 to 6 V single power supply (dependent on MSM80C48/49 operating frequency.)
• Fully static operation
• Bidirectional I/O ports
• TTL coimpatible (ports 4 thru 7)
• Functional compatiblity with Intel i8243
• Package options 24 pin Plastic DIP (DIP24
–P
–600-2.54) : (Product name : MSM82C43RS) 24 pin Plastic SOP (SOP24
–P
–430
–1.27-K) : (Product name : MSM82C43GS-K)
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¡ Semiconductor
MSM82C43
FUNCTIONAL BLOOK DIAGRAM
ADDRESS DECODER
LATCH
4
PORT 4
INPUT BUFFER INSTRUCTION DECODER LATCH
4
PORT 5
PORT 2
4
MUX TEMP
4
INPUT BUFFER
LATCH .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | MSM82C43GS |
OKI electronic componets |
INPUT/OUTPUT PORT EXPANDER | |
2 | MSM82C43RS |
OKI electronic componets |
INPUT/OUTPUT PORT EXPANDER | |
3 | MSM82C51A-2GS |
OKI electronic componets |
UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER | |
4 | MSM82C51A-2JS |
OKI electronic componets |
UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER | |
5 | MSM82C51A-2RS |
OKI electronic componets |
UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER | |
6 | MSM82C53-2GS |
OKI |
CMOS PROGRAMMABLE INTERVAL TIMER | |
7 | MSM82C53-2JS |
OKI |
CMOS PROGRAMMABLE INTERVAL TIMER | |
8 | MSM82C53-2RS |
OKI |
CMOS PROGRAMMABLE INTERVAL TIMER | |
9 | MSM82C54-2GS |
OKI |
CMOS PROGRAMMABLE INTERVAL TIMER | |
10 | MSM82C54-2JS |
OKI |
CMOS PROGRAMMABLE INTERVAL TIMER | |
11 | MSM82C54-2RS |
OKI |
CMOS PROGRAMMABLE INTERVAL TIMER | |
12 | MSM82C55A |
OKI electronic |
CMOS PROGRAMMABLE PERIPHERAL INTERFACE |